UNITED STATES SECURITIES AND EXCHANGE COMMISSION (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended August 30, 2025 or Washington, D.C. 20549 __________________________________________ ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FORM 10-Q For the transition period from to Commission file number: 001-15141 __________________________________________ MillerKnoll, Inc. (Exact name of r ...